Search and compare thousands of words and phrases in British Sign Language (BSL). The largest collection online.
How to sign: the act of concealing the existence of something by obstructing the view of it
"the cover concealed their guns from enemy aircraft";
Similiar / Same: masking, cover, covering
Categories: concealing, concealment, hiding
How to sign: testing objects or persons in order to identify those with particular characteristics
Categories: testing
Within this category: genetic screening